Add extracurricular activities and signup validation to the API

Author: ShinjiCodeEVA

src/app.py

@@ -38,6 +38,45 @@
         "schedule": "Mondays, Wednesdays, Fridays, 2:00 PM - 3:00 PM",
         "max_participants": 30,
         "participants": ["[email protected]", "[email protected]"]
+    },
+    # Sports related activities
+    "Soccer Team": {
+        "description": "Join the school soccer team and compete in local matches",
+        "schedule": "Wednesdays, 4:00 PM - 5:30 PM",
+        "max_participants": 22,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Basketball Club": {
+        "description": "Practice basketball skills and play friendly games",
+        "schedule": "Mondays, 3:30 PM - 5:00 PM",
+        "max_participants": 15,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    # Artistic activities
+    "Art Workshop": {
+        "description": "Explore painting, drawing, and sculpture techniques",
+        "schedule": "Thursdays, 4:00 PM - 5:30 PM",
+        "max_participants": 18,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Drama Club": {
+        "description": "Act in plays and learn stage performance skills",
+        "schedule": "Tuesdays, 3:30 PM - 5:00 PM",
+        "max_participants": 20,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    # Intellectual activities
+    "Mathletes": {
+        "description": "Compete in math competitions and solve challenging problems",
+        "schedule": "Fridays, 4:00 PM - 5:00 PM",
+        "max_participants": 10,
+        "participants": ["[email protected]", "[email protected]"]
+    },
+    "Science Club": {
+        "description": "Conduct experiments and explore scientific concepts",
+        "schedule": "Wednesdays, 3:30 PM - 5:00 PM",
+        "max_participants": 16,
+        "participants": ["[email protected]", "[email protected]"]
     }
 }
 
@@ -62,6 +101,10 @@ def signup_for_activity(activity_name: str, email: str):
     # Get the specific activity
     activity = activities[activity_name]
 
+    # Validate student is not already signed up
+    if email in activity["participants"]:
+        raise HTTPException(status_code=400, detail="Student already signed up")
+
     # Add student
     activity["participants"].append(email)
     return {"message": f"Signed up {email} for {activity_name}"}